Kukuiula Boat Harbor Rainfall ForecastUnited StatesHIKauaiKukuiula Boat HarborToday 19 Apr60%Sun 20 Apr65%Mon 21 Apr60%Tue 22 Apr70%Wed 23 Apr70%Thu 24 Apr70%Fri 25 Apr35%Kukuiula Boat Harbor rainfall forecast issued today at 12:04 pm. Next forecast at approx. 2:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time South Kauai RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads